export ARCH=arm64
export CROSS_COMPILE=/home/user/rk3568/rk356x_linux/prebuilts/gcc/linux-x86/aarch64/gcc-linaro-6.3.1-2017.05-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-
obj-m+=xx_driver.o
KDIR:=/home/user/rk3568/rk356x_linux/kernel
PWD?=$(shell pwd)
all:
	make -C $(KDIR) M=$(PWD) modules #make 操作
clean:
	make -C $(KDIR) M=$(PWD) clean
        
